Ankanar, Reigning Legend

Legendary Tale {b}{b}{b}{b}{b} —Discard this card
from your hand. If you do, change it's abilities to the
following: "As long as this card is in your graveyard,
whenever an opponent draws a card, that player
exiles a card from their graveyard, then you draw a
card." and "{5}, Exile Ankanar from your graveyard:
Cast a creature card an opponent owns from exile
without paying it's mana cost."
At the beginning of your upkeep, destroy target
creature with converted mana cost 4 o